Tracking sleep in ultramarathon male runners before, during, and after a mountain race: Actigraphic evidence of sleep restriction.
OBJECTIVES This study aimed to analyze athletes' sleep before, during, and after a race using actigraphy. METHODS We evaluated 15 male athletes (45.1 ± 10.5 years), who participated in Brazil 135 Ultramarathon (135 km: n = 4; 217 km: n = 11). Wristwatch actigraph measured sleep before (7 days), during, and after the...